local a_1
local a_2
local a_3
local a_4
local a_5
local a_6
local a_7
local a_8
local a_9
local a_10
local a_11
local a_12
local a_13
local a_14
local a_15
local a_16
local a_17
local a_18
local a_19
local a_20
local a_21
local a_22
local a_23
local a_24
local a_25
local a_26
local a_27
local a_28
local a_29
local a_30
local a_31
local a_32
local a_33
local a_34
local a_35
local a_36
local a_37
local a_38
local a_39
local a_40
local a_41
local a_42
local a_43
local a_44
local a_45
local a_46
local a_47
local a_48
local a_49
local a_50
local a_51
local a_52
local a_53
local a_54
local a_55
local a_56
local a_57
local a_58
local a_59
local a_60
local a_61
function func()
	a_1 = 0
	a_2 = 0
	a_3 = 0
	a_4 = 0
	a_5 = 0
	a_6 = 0
	a_7 = 0
	a_8 = 0
	a_9 = 0
	a_10 = 0
	a_11 = 0
	a_12 = 0
	a_13 = 0
	a_14 = 0
	a_15 = 0
	a_16 = 0
	a_17 = 0
	a_18 = 0
	a_19 = 0
	a_20 = 0
	a_21 = 0
	a_22 = 0
	a_23 = 0
	a_24 = 0
	a_25 = 0
	a_26 = 0
	a_27 = 0
	a_28 = 0
	a_29 = 0
	a_30 = 0
	a_31 = 0
	a_32 = 0
	a_33 = 0
	a_34 = 0
	a_35 = 0
	a_36 = 0
	a_37 = 0
	a_38 = 0
	a_39 = 0
	a_40 = 0
	a_41 = 0
	a_42 = 0
	a_43 = 0
	a_44 = 0
	a_45 = 0
	a_46 = 0
	a_47 = 0
	a_48 = 0
	a_49 = 0
	a_50 = 0
	a_51 = 0
	a_52 = 0
	a_53 = 0
	a_54 = 0
	a_55 = 0
	a_56 = 0
	a_57 = 0
	a_58 = 0
	a_59 = 0
	a_60 = 0
	a_61 = 0
end
print("ok")